Aquaponics & Aquariums Test

The ideal level for salinity for freshwater and saltwater system is _______?

• 0-0.5 ppt

• 0.25-0.50 ppt

• 33 ppt

• 35 ppt

Aquaponics is the combination of ________ and _________.

• plants and water
• aquaculture and water
• hydroponics and aquaculture
• hydroponics and plants

In aquaponics, plants provide nitrogen for the fish.

• True
• False

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The nitrogen cycle has three living organisms: 

• fish, plants, and people
• plants, bacteria, and algae
• fish, bugs, and algae
• fish, plants, and bacteria

Tags

NGSS.MS-LS2-3

The fish produce waste called _________ which is converted by bacteria into _________ which is then converted into _________ that can be used by the plants.

• nitrites, ammonia, nitrates
• ammonia, nitrites, nitrates
• nitrites, nitrates, ammonia
• nitrates, nitrites, ammonia

Tags

NGSS.MS-LS2-3

How do fish help the plants grow?

• They eat the bugs that harm the plants. 
• They eat debris which cleans the water.
• They produce waste which acts as nutrients for the water
• They urinate in the water producing ammonia for plants.

Aquaponics is...

• producing plants without soil
• producing plants with soil
• producing plants & aquatic animals together.
• none of these

What is the respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide.

• scales

• gills

• fins

• eyes

When fish excrete their waste, what toxic byproduct is produced?

• nitrogen
• nitrites
• ammonia
• nitrates

What does toxic mean?

• poisonous
• murky
• dirty
• salubrious